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Wearables
Apple

Apple Watch Series 4

Wearables

Display

Display diagonal
1.78 in*
Display pixel density
326 ppi*
Resolution
448 × 368*
Panel
Display: Retina LTPO OLED, 1000 nits (peak)
Horizontal pixels
Display: 448 px
Vertical pixels
Display: 368 px

Displays

  • Display*
    Diagonal
    1.78 in*
    Horizontal pixels
    448 px*
    Vertical pixels
    368 px*
    Technology
    Retina LTPO OLED, 1000 nits (peak)*

Processing & platform

Chipset
Apple S4*
Processor
Dual-core*
Graphics
PowerVR*

Memory & storage

Storage options
16 GB*

Memory configurations

  • 1 GB RAM / 16 GB*
    Memory
    1 GB*
    Capacity
    16 GB*

Memory options

  • 1 GB*
    Capacity
    1 GB*

Storage options

  • 16 GB*
    Capacity
    16 GB*

Power specifications

Battery capacity
292 mAh*

Charging

  • Wireless*
    Technology
    Wireless*

Connectivity & software

Operating system
Reported value 1: watchOS 5.0, upgradable to watchOS 10.6.2*
Reported value 2: watchOS 5.0, upgradable to 5.1.3*
Cellular networks
GSM / HSPA / LTE*
Wi-Fi
Wi-Fi 802.11 b/g/n*
Bluetooth
5.0, A2DP, LE*
NFC
Yes*

Sensors

  • Accelerometer*
  • barometer*
  • gyro*
  • heart rate*

Design & dimensions

Dimensions
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)*
Weight
48 g*

Colors

  • Gold*
  • Silver*
  • Space Black*

System configuration

Detailed specifications

Specifications 1 · 1 fields
model
Watch Series 4*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
Specifications 2 · 42 fields
body weight
48 g (1.69 oz)*
Scope and conditions
explicit_quantities
  • value
    48*
    unit
    g*
    original
    48 g*
    span
    • 0*
    • 4*
    scope
    Explicit token only; no native/binned, sustained/peak or installed-variant role inferred.*
aperture_declarations
optical_format_declarations
declared_pixel_matrices
body sim
Electronic SIM card (eSIM)*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
display type
LTPO OLED capacitive touchscreen, 16M colors*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
display size
1.78 inches, 10.0 cm (~60.0% screen-to-body ratio)*
Scope and conditions
explicit_quantities
  • value
    1.78*
    unit
    inches*
    original
    1.78 inches*
    span
    • 0*
    • 11*
    scope
    Explicit token only; no native/binned, sustained/peak or installed-variant role inferred.*
  • value
    10*
    unit
    cm*
    original
    10.0 cm*
    span
    • 13*
    • 20*
    scope
    Explicit token only; no native/binned, sustained/peak or installed-variant role inferred.*
aperture_declarations
optical_format_declarations
declared_pixel_matrices
display resolution
448 x 368 pixels (~326 ppi density)*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
  • x
    448*
    y
    368*
    unit
    px*
    original
    448 x 368*
    span
    • 0*
    • 9*
    role
    Declared source matrix; native photosite count and active physical area unverified.*
display
3D Touch display 1000 nits*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
memory card slot
No*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
sound loudspeaker
Yes*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
model
Watch Series 4*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
sound 3.5mm jack
No*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
comms wlan
Wi-Fi 802.11 b/g/n*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
comms bluetooth
5.0, A2DP, LE*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
comms gps
Yes, with A-GPS, GLONASS, GALILEO, QZSS*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
comms radio
No*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
comms usb
No*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
features sensors
Accelerometer, gyro, heart rate (2nd gen), barometer*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network technology
GSM / HSPA / LTE*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
features
Audio player Photo viewer Siri natural language commands and dictation (talking mode)*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
misc colors
Space Black, Silver, Gold*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network 3g bands
HSDPA 850 / 900 / 2100 / 800 - Europe, Australia*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network speed
HSPA, LTE*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
platform os
watchOS 5.0, upgradable to 5.1.3*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
platform chipset
Apple S4*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network 2g bands
GSM 850 / 900 / 1800 / 1900*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
platform cpu
Dual-core*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
platform gpu
PowerVR*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
memory internal
16 GB*
Scope and conditions
explicit_quantities
  • value
    16*
    unit
    GB*
    original
    16 GB*
    span
    • 0*
    • 5*
    scope
    Explicit token only; no native/binned, sustained/peak or installed-variant role inferred.*
aperture_declarations
optical_format_declarations
declared_pixel_matrices
misc price
About 700 EUR*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
body
50m waterproof ECG certified (USA only)*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network 4g bands
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850) - Europe, Australia*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
body build
Stainless Steel frame; all-ceramic/sapphire crystal back*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network gprs
Yes*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
display protection
Sapphire crystal glass*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
comms nfc
Yes*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network edge
Yes*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
launch announced
2018, September*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
battery
Non-removable Li-Ion battery*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
launch status
Available. Released 2018, September*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
camera
No*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
network
LTE band 1(2100), 3(1800), 39(1900), 40(2300), 41(2500) - China*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
battery stand.by
Up to 18 h (mixed usage)*
Scope and conditions
explicit_quantities
aperture_declarations
optical_format_declarations
declared_pixel_matrices
body dimensions
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)*
Scope and conditions
explicit_quantities
  • value
    10.7*
    unit
    mm*
    original
    10.7 mm*
    span
    • 10*
    • 17*
    scope
    Explicit token only; no native/binned, sustained/peak or installed-variant role inferred.*
  • value
    0.42*
    unit
    in*
    original
    0.42 in*
    span
    • 33*
    • 40*
    scope
    Explicit token only; no native/binned, sustained/peak or installed-variant role inferred.*
aperture_declarations
optical_format_declarations
declared_pixel_matrices
Specifications 3 · 45 fields
Battery · Charging
Wireless*
Battery · Type
Li-Ion 292 mAh (1.12 Wh), non-removable*
Body · Build
Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame*
Body · Dimensions
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)*
Body · Features
50m water resistant ECG certified (region dependent SW application; HW available on all models)*
Body · SIM
eSIM*
Body · Weight
48 g (1.69 oz)*
Camera · Features
No*
Comms · Bluetooth
5.0, A2DP, LE*
Comms · NFC
Yes*
Comms · Positioning
GPS, GLONASS, GALILEO, QZSS*
Comms · Radio
No*
Comms · USB
No*
Comms · WLAN
Wi-Fi 802.11 b/g/n*
Display · Features
3D Touch display*
Display · Protection
Sapphire crystal glass*
Display · Resolution
448 x 368 pixels (~326 ppi density)*
Display · Size
1.78 inches*
Display · Type
Retina LTPO OLED, 1000 nits (peak)*
Features · Features
Natural language commands and dictation (talking mode)*
Features · Sensors
Accelerometer, gyro, heart rate, barometer*
Launch · Announced
2018, September. Released 2018, September*
Launch · Status
Discontinued*
Memory · Card slot
No*
Memory · Internal
16GB 1GB RAM*
Misc · Colors
Space Black, Silver, Gold*
Misc · Models
A1975, A1976, A2007, A2008*
Historical price
About 700 EUR*
Network · 2G bands
GSM 850 / 900 / 1800 / 1900*
Network · 3G bands
HSDPA 850 / 900 / 2100 / 800 - Europe, Australia*
Network · 4G bands
1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia*
Network · Features
HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada HSDPA 2100 - China 2, 4, 5, 12, 13, 17, 18, 19, 25, 26, 41 - USA, LATAM, Canada 1, 3, 39, 40, 41 - China*
Network · Speed
HSPA, LTE*
Network · Technology
GSM / HSPA / LTE*
Platform · Chipset
Apple S4*
Platform · CPU
Dual-core*
Platform · GPU
PowerVR*
Platform · OS
watchOS 5.0, upgradable to watchOS 10.6.2*
Sound · 3.5mm jack
No*
Sound · Loudspeaker
Yes*
Charging
Wireless
Technology
Wireless*
Colors
Space Black
Space Black*
Silver
Silver*
Gold
Gold*
Display
Display
Diagonal
1.78* in
Horizontal pixels
448* px
Vertical pixels
368* px
Technology
Retina LTPO OLED, 1000 nits (peak)*
Memory options
1 GB
Capacity
1.0* GB
16 GB
Capacity
16.0* GB
1 GB RAM / 16 GB
Memory
1.0* GB
Capacity
16.0* GB
Sensors
Accelerometer
Accelerometer*
gyro
gyro*
heart rate
heart rate*
barometer
barometer*

* Provisional data